Curiosity Rover Drilling Martian Surface Again

February 9, 2015 11:57 AM

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At Mojave 2 at the base of Mount Sharp, the Curiosity started drilling at percussion-level one and in 10 minutes reached the full depth of about 2.6 inches by using levels one and two of percussion energy. Due to the unusual conditions of the rock surface like grains smaller than rice grains which could be salt-mineral crystals, NASA had selected that spot for drilling.

The analysis of the sample has not completed yet but the scientists believe that high amount of jarosite, an oxidized mineral composed of iron and sulfur, is present in it. Recent study reveals that probably Mars was more acidic than previously thought as jarosite usually forms in acidic environment...

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